UA122749C2 - PULSE DROP WATER DISCHARGE - Google Patents

Abstract

The invention relates to agriculture and can be used in irrigation pipelines of drip irrigation systems. Pulsed drip drain has a housing consisting of a cover with an inlet channel and a bottom with an outlet channel, between which is a membrane of elastic material. At the end of the housing part of the membrane creates a calibrated hole with a cover, and the end of the membrane with protrusions of the cover and bottom - a calibrated slit, which through the gap between the end of the membrane and the housing connects the inlet and outlet channels. The use of drip water allows to increase the reliability of its operation and improve its performance with the use of irrigation water of different quality.

Description

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The invention relates to agriculture and can be used in irrigation pipelines of drip irrigation systems.

The task of the invention is to increase the reliability of work and improve the operational properties of pulsed droplet water discharge using irrigation water of different quality.

The closest to the declared technical solution is a drip outlet, consisting of a housing with inlet and outlet channels and a membrane placed in the housing with a permanently open calibrated hole, made with the possibility of interaction with the outlet channel in the presence of pressure, in which the membrane additionally contains a calibrated gap. which in cross-section has an inclination towards the center of the membrane (Patent of Ukraine Mo 118726, IPC VO5B 1/08 (2006.01),

AOTOo 25/02 (2006.01). Drip water release / Bezruk V.V. (SHA), Romaschenko M.I. (SHA). The patent was published on February 25, 2019, Bull. Mo. 4/20191I.

Disadvantages of the described drip water release are a decrease in the uniformity of costs during operation when using irrigation water of different quality, which is associated with the inaccuracy of the reproduction of the calibrated hole and the calibrated gap in the membrane during manufacture.

The proposed technical solution is aimed at solving the problem of increasing the reliability of pulsed droplet water discharge, reducing the ability of the water discharge to clog, increasing the uniformity of the flow for the use of irrigation water of different quality and ensuring the manufacturability of its production.

This problem is solved due to the fact that the declared pulsed droplet water outlet has a housing, which consists of a lid with an inlet channel and a bottom with an outlet channel, between which a membrane is placed, which differs in that at the end of the housing part of the membrane creates a calibrated hole with the lid, and the end of the part of the membrane with the protrusions of the cover and the bottom - a calibrated gap that connects the inlet and outlet channels through the gap between the end of the membrane and the body.

The essence of the invention is explained by the drawings, which show:

In fig. 1 - a cross-section of a pulsed droplet discharge is shown, its static position;

In fig. 2 - pulsed droplet water discharge is shown in cross-section with the direction of water movement

Ko) during work;

In fig. 3 - pulsed droplet discharge is shown in an axonometric view.

The impulse droplet outlet has a body consisting of a cover 1 with an inlet channel 2 and a bottom with an outlet channel 4, between which a membrane 5 of elastic material is placed. At the end of the case, the part of the membrane creates a calibrated opening 6 with the cover, and the end of the part of the membrane with the protrusions of the cover and the bottom creates a calibrated gap 7, which connect the input and output channels through the gap 8 between the end of the membrane and the case.

Water release works as follows. Under the influence of pressure in the irrigation pipeline, water enters the inlet channel, passes through the calibrated hole between the membrane and the cover, then through the calibrated gap between the end of the membrane and the body into the output channel. At the same time, the membrane is constantly under the influence of pressure, which is created by water during movement in the direction of the calibrated hole. As a result of the pressure drop, the membrane bends, blocks the outlet channel and causes the phenomenon of water hammer. After covering the outlet channel with a membrane, the water flow stops, the membrane straightens under the action of elastic force and the phenomenon of water hammer, which allows water to flow out through the outlet channel. This process is repeated periodically. The constant vibration of the membrane, combined with the phenomenon of water hammer, prevents clogging of the constituent elements of the water outlet. As the water pressure in the irrigation pipeline increases, the calibrated gap bends more, which allows a larger volume of water to pass through the outlet channel.

Thanks to this, the uniformity of water flow is ensured and the working range of pulsed droplet water discharge is extended when using irrigation water of different quality.

Claims (1)

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